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Affiliated Institutes

Claremont Graduate University’s MS and PhD programs in Botany focus on systematics and evolution of higher plants. The programs are offered in conjunction with California Botanic Garden, one of the nation’s premier research-focused botanic gardens.

Claremont Graduate University’s PhD in Botany is a research-intensive program with a robust fieldwork component. Located in a unique 86-acre learning environment dedicated to conservation of the state’s flora, program highlights include a botanical library, fully equipped molecular and anatomy laboratories, comprehensive herbarium, scanning electron microscope, greenhouses, and growth chambers. You’ll find abundant opportunities for hands-on research at California Botanic Garden, working alongside collegial faculty-mentors dedicated to advancing knowledge in the field. A seminar series addressing topics of systematic and evolutionary botany is offered weekly during each semester and draws attendees not only from our student body, but also from the biology research community, faculty, and students at nearby colleges and universities.

Botany students may pursue concentrations in the following subdisciplines:

This program is STEM designated, allowing international students who hold F-1 visas to apply for OPT work authorizations for a total of 36 months (an initial 1-year period and a 24-month OPT STEM extension) of paid work experience in the U.S. after graduation.

Program at a Glance

72 units

5 years

*This estimate assumes full-time registration and pursuit of the degree. Actual completion times will vary and may be higher, depending on full- or part-time course registration, units transferred, and time to complete other degree requirements.

Cost Per Unit: $2,020



PhD in Botany

Featured Courses

BOT 371

Studies quantification of shape and its statistical analysis, as applied to diversity of plant form.

BOT 380
Advanced Vascular Plant Phylogenetic Systematics

Reviews current knowledge of relationships among vascular plants and the data that underpin that knowledge, including morphology, anatomy, embryology, and palynology.

BOT 401
Seminar Series

Provides a platform to participate in a semester-long series of seminars presented by outstanding visiting researchers.

BOT 412
Special Topics in Plant Systematics: Readings in Phylogenetics

Review and discuss phylogenetics based on the current literature.

BOT 418
Special Topics in Plant Systematics: Current Methodologies in Systematics

Introduces current methods utilized for systematics analysis.

Faculty & Research

Request information about the Botany program

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Lucinda McDade

Professor of Botany
Chair, Botany Department
Executive Director, California Botanic Garden
Judith B. Friend Director of Research
T: 909-625-8767 x220